. >> it happen last night at the twins-tigers game. or on the fourth of july, i should say. yeah. welcome back. >> it's a tough song to sing. let's just say that. >> it is. >>> nancy reagan turns 91 today. the former first lady is taking on a familiar role this election year, as the first lady of the republican party. >> on thursday, mrs. reagan made her first public appearance since a fall left her with broken ribs in april. ♪ happy birthday to you >> reporter: it wasn't perhaps the kind of birthday greeting a 91-year-old might expect. but the reagan presidential ibrary hosting an exhibit from the walt disney archives, the worlds of politics and show business came together, much as they did in the reagan's own lives. mrs. reagan joined robert iger, chairman of the disney company, to open the exhibit. while nancy reagan rarely speaks in public these days, inside the republican party her voice can still be powerful and influential. in the 24 years since her husband left office, nancy reagan's endorsement has been sought by republicans. successfully by mitt romney. and a new gener